Inventor
Richard D. Hart
Inventor
Concord, CA, US
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Mprimary
H04MTelephonic communication43%
H04BTransmission29%
H04LTransmission of digital information, e.g. telegraphic communication29%
PatentTitleYear
9,548,793'Communications link discontinuity detection systems and methods'20179,215,101'Communications link discontinuity detection systems and methods'20159,054,783'Methods, apparatus, and articles of manufacture to trigger preemptive maintenance in vectored digital subscriber line (DSL) systems'20158,660,138'Methods, apparatus and articles of manufacture to allocate ports to vectored digital subscriber line (DSL) groups'20148,649,484'Apparatus, methods, and articles of manufacture to predict vectored digital subscriber line (DSL) performance gains'20148,644,169'Methods and apparatus to perform line testing at customer premises'20148,369,485'Methods, apparatus, and articles of manufacture to trigger preemptive maintenance in vectored digital subscriber line (DSL) systems'20138,363,789'Apparatus, methods, and articles of manufacture to predict vectored digital subscriber line (DSL) performance gains'20138,249,176'Method for determination of bridged taps on a transmission line'20128,170,814'Systems and methods to determine an impedance mismatch'20127,903,790'System and method for completing incomplete records in a database of twisted cable pair information'20117,778,192'System and method for automated double-ended field management of DSL service'20107,620,154'Equivalent working length determinative system for digital subscriber line circuits'20097,606,145'Dual-mode broadband modem'20097,388,906'Method for detecting bridged taps on telephony cable'20087,079,626'System and method for imputing data into a database'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006–2015Based in Concord, CA, US· patent location history
2008Based in San Ramon, CA, US· patent location history
2009–2014Patents assigned to HART RICHARD D (5)· patent assignee history
2010–2017Patents assigned to AT & T IP I LP (12)· patent assignee history
2012–2014Patents assigned to WANG JIN (4)· patent assignee history
2012–2015Patents assigned to HART RICHARD (2)· patent assignee history
2013–2014Patents assigned to TENNYSON GARY (3)· patent assignee history
2015–2017Based in Cameron Park, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AT & T IP I LP | 12 | 2010–2017 |
| HART RICHARD Dself | 5 | 2009–2014 |
| WANG JIN | 4 | 2012–2014 |
| TENNYSON GARY | 3 | 2013–2014 |
| HART RICHARDself | 2 | 2012–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Concord, California, US | 13 | 2006–2015 |
| Cameron Park, California, US | 2 | 2015–2017 |
| San Ramon, California, US | 1 | 2008 |